diff --git a/dsLightRag/JiMeng/JmTxt2Img.py b/dsLightRag/JiMeng/JmTxt2Img.py
index 18b9021e..61a6a8ce 100644
--- a/dsLightRag/JiMeng/JmTxt2Img.py
+++ b/dsLightRag/JiMeng/JmTxt2Img.py
@@ -9,7 +9,10 @@ from JiMeng.Kit.JmErrorCode import JmErrorCode
 
 class JmTxt2Img:
     action = "CVProcess"
+    # V2.1
     req_key = "jimeng_high_aes_general_v21_L"
+    # V3.0
+    # req_key="jimeng_t2i_v30"
 
     @staticmethod
     def generate_image(prompt, save_img_path):